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#15
by
DA-BRT
on 06 Mar, 2007 00:57
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Sorry Guy's I've been away for a while (more important personal things)
This weekend I'm driving north to pick-up the fuelpump and make a copy of the dynoplot.
The engine had been taken appart by the owner to check for status.
@Malone: I took out almost the complete swirl chambre. I gained about 60% more flow.
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#16
by
935racer
on 06 Mar, 2007 19:53
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Bert, any chance you could get pictures of the manifolds and the audi drivetrain stuffed in that rabbit? How much rpm are you spinning with that 14mm head?
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#17
by
DA-BRT
on 07 Mar, 2007 02:00
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@935racer: It depends on where the engine is at the moment. I know the took is apart to check the internals. But I don't know if the allready put it back together.
Pictures of the parts in te Rabbit are not a problem.
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#18
by
shadowmaker
on 07 Mar, 2007 02:10
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DA-BRT: Any Bosch number for that 14mm head?
I still have little swirl left, because I thought it will be better for mileage as my van is in everyday use.
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#19
by
DA-BRT
on 07 Mar, 2007 02:50
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@Shadowmaker: After this weekend I got the pump back for changing. I can't remember that there was a number on the plunger/head. But I closely look at it. I bought this head from Ebay.de and I didn't said it was a Bosch head or another make.
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#20
by
Benjamin
on 07 Mar, 2007 08:34
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i wonder if Bosch ever made a 14mm plunger, i thought its only after market
Greetz, Benjamin
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#21
by
RabbitGTDguy
on 07 Mar, 2007 18:50
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yah, I'm wondering as well. I believe I had read/looked elsewhere and Bosch only made up to a 12mm unit. I believe the only 14mm heads I've seen on the aftermarket were the chinese ones...
Joe
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#22
by
935racer
on 07 Mar, 2007 19:06
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Bosch does in fact only go up to 12mm. I have a 14mm head that I bought from dieselspeedshop.com but I havent installed it yet. How high did this pump rev that you built? I am worried about siezing mine. Also what was the reason for engine dissasembly.
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#23
by
DA-BRT
on 08 Mar, 2007 01:00
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@935racer:
The engine is still in his brake in period (i don't know if I describe it correctly) The shiftlight was set at 4500RPM. In the sixt gear it went through 5000RPM easily.
A temperature gauge on the pump would't be any luxury.
The reason for dissasembling the engine was becayse of all the new parts and a racespec. build engine. It's very standard to take it apart after 1500 / 2000 km to check wear marks.
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#24
by
malone
on 19 Dec, 2007 11:30
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More updates! How's the engine running?
Since removing the complete swirl chamber almost completely, how smooth is the engine at low RPMs?
Pictures and dyno?
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#25
by
Helliouse
on 22 Feb, 2008 09:24
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Bump...this is to good not to...